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20132026
most citedPositive solutions of BVPs on the half-line involving functional BCs

1 citations · 3 across the 11 of their papers we have counts for

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math.FA2025

Birkhoff-Kellogg type results in product spaces and their application to differential systems

Alessandro Calamai, Gennaro Infante, Jorge Rodríguez-López

We provide a new version of the well-known Birkhoff-Kellogg invariant-direction Theorem in product spaces. Our results concern operator systems and give the existence of component-…